Entry 1 sense Webster, 1913 Deconsecrate /(dē̇*kŏn"sē̇*krāt)/ · De·con·se·crate · IPA /diːˈkɒnsəkɹeɪt/ 01 v. t. To deprive of sacredness; to secularize. 1. To deprive of sacredness; to secularize.